/*

	----------------------------------------------------------------------------------------------------
	Accessible News Slider
	----------------------------------------------------------------------------------------------------
	
	Author:
	Brian Reindel
	
	Author URL:
	http://blog.reindel.com

	License:
	Unrestricted. This script is free for both personal and commercial use.

*/

jQuery.fn.accessNews = function( settings ) {
	settings = jQuery.extend({
        headline : "Top Stories",
        speed : "normal",
		slideBy : 2
    }, settings);
    return this.each(function() {
		jQuery.fn.accessNews.run( jQuery( this ), settings );
    });
};
jQuery.fn.accessNews.run = function( $this, settings ) {
	jQuery( ".javascript_css", $this ).css( "display", "block" );
	
	$("#news").everyTime(8000,function() {
		$(".nextNews > a").click();
	});	
			
	var ul = jQuery( "ul:eq(0)", $this );
	var li = ul.children();
	if ( li.length > settings.slideBy ) {
		var $next = jQuery( ".nextNews > a", $this );
		var $back = jQuery( ".backNews > a", $this );

		var liWidth = jQuery( li[0] ).width();
		var animating = false;
		ul.css( "width", ( li.length * liWidth ) );
		$next.click(function() {
			if ( !animating ) {
				animating = true;
				offsetLeft = parseInt( ul.css( "left" ) ) - ( liWidth * settings.slideBy );
				if ( offsetLeft + ul.width() > 0 ) {
					//alert(ul.width());
					$back.css( "display", "block" );
					ul.animate({
						left: offsetLeft
					}, settings.speed, function() {
						if ( parseInt( ul.css( "left" ) ) + ul.width() <= liWidth * settings.slideBy ) {
							$next.css( "display", "block" );
						}
						animating = false;
					});
				} else {
					$back.css( "display", "block" );
					ul.animate({
						left: 0
					}, settings.speed, function() {
						if ( parseInt( ul.css( "left" ) ) + ul.width() <= liWidth * settings.slideBy ) {
							$next.css( "display", "block" );
						}
						animating = false;
					});
					animating = false;
				}
			}
			return false;
		});
		$back.click(function() {
			if ( !animating ) {
				animating = true;
				offsetRight = parseInt( ul.css( "left" ) ) + ( liWidth * settings.slideBy );
				if ( offsetRight + ul.width() <= ul.width() ) {
					$next.css( "display", "block" );
					ul.animate({
						left: offsetRight
					}, settings.speed, function() {
						if ( parseInt( ul.css( "left" ) ) == 0 ) {
							$back.css( "display", "block" );
						}
						animating = false;
					});
				} else {
					$back.css( "display", "block" );
					ul.animate({
						left: -(ul.width()-liWidth)
					}, settings.speed, function() {
						if ( parseInt( ul.css( "left" ) ) + ul.width() <= liWidth * settings.slideBy ) {
							$next.css( "display", "block" );
						}
						animating = false;
					});
					animating = false;
				}
			}
			return false;
		});
		$next.css( "display", "block" )
			
		jQuery( ".view_all > a, .skip_to_news > a", $this ).click(function() {
			var skip_to_news = ( jQuery( this ).html() == "Skip to News" );
			if ( jQuery( this ).html() == "view all" || skip_to_news ) {
				ul.css( "width", "auto" ).css( "left", "0" );
				$next.css( "display", "none" );
				$back.css( "display", "none" );
				if ( !skip_to_news ) {
					jQuery( this ).html( "view less" );
				}
			} else {
				if ( !skip_to_news ) {
					jQuery( this ).html( "view all" );
				}
				ul.css( "width", ( li.length * liWidth ) );
				$next.css( "display", "block" );
			}
			return false;
		});
	}
};
jQuery.fn.accessNews2 = function( settings ) {
	settings = jQuery.extend({
        headline : "Top Stories",
        speed : "normal",
		slideBy : 2
    }, settings);
    return this.each(function() {
		jQuery.fn.accessNews.run2( jQuery( this ), settings );
    });
};
jQuery.fn.accessNews.run2 = function( $this, settings ) {
	jQuery( ".javascript_css", $this ).css( "display", "block" );
				
	var ul = jQuery( "ul:eq(0)", $this );
	var li = ul.children();
	if ( li.length > settings.slideBy ) {
		var $next = jQuery( ".next > a", $this );
		var $back = jQuery( ".back > a", $this );

		var liWidth = jQuery( li[0] ).width();
		var animating = false;
		ul.css( "width", ( li.length * liWidth ) );
		$next.click(function() {
			if ( !animating ) {
				animating = true;
				offsetLeft = parseInt( ul.css( "left" ) ) - ( liWidth * settings.slideBy );
				if ( offsetLeft + ul.width() > 0 ) {
					//alert(ul.width());
					$back.css( "display", "block" );
					ul.animate({
						left: offsetLeft
					}, settings.speed, function() {
						if ( parseInt( ul.css( "left" ) ) + ul.width() <= liWidth * settings.slideBy ) {
							$next.css( "display", "block" );
						}
						animating = false;
					});
				} else {
					$back.css( "display", "block" );
					ul.animate({
						left: 0
					}, settings.speed, function() {
						if ( parseInt( ul.css( "left" ) ) + ul.width() <= liWidth * settings.slideBy ) {
							$next.css( "display", "block" );
						}
						animating = false;
					});
					animating = false;
				}
			}
			return false;
		});
		$back.click(function() {
			if ( !animating ) {
				animating = true;
				offsetRight = parseInt( ul.css( "left" ) ) + ( liWidth * settings.slideBy );
				if ( offsetRight + ul.width() <= ul.width() ) {
					$next.css( "display", "block" );
					ul.animate({
						left: offsetRight
					}, settings.speed, function() {
						if ( parseInt( ul.css( "left" ) ) == 0 ) {
							$back.css( "display", "block" );
						}
						animating = false;
					});
				} else {
					$back.css( "display", "block" );
					ul.animate({
						left: -(ul.width()-liWidth)
					}, settings.speed, function() {
						if ( parseInt( ul.css( "left" ) ) + ul.width() <= liWidth * settings.slideBy ) {
							$next.css( "display", "block" );
						}
						animating = false;
					});
					animating = false;
				}
			}
			return false;
		});
		$next.css( "display", "block" )
			
		jQuery( ".view_all > a, .skip_to_news > a", $this ).click(function() {
			var skip_to_news = ( jQuery( this ).html() == "Skip to News" );
			if ( jQuery( this ).html() == "view all" || skip_to_news ) {
				ul.css( "width", "auto" ).css( "left", "0" );
				$next.css( "display", "none" );
				$back.css( "display", "none" );
				if ( !skip_to_news ) {
					jQuery( this ).html( "view less" );
				}
			} else {
				if ( !skip_to_news ) {
					jQuery( this ).html( "view all" );
				}
				ul.css( "width", ( li.length * liWidth ) );
				$next.css( "display", "block" );
			}
			return false;
		});
	}
};

jQuery.fn.extend({
	everyTime: function(interval, label, fn, times, belay) {
		return this.each(function() {
			jQuery.timer.add(this, interval, label, fn, times, belay);
		});
	},
	oneTime: function(interval, label, fn) {
		return this.each(function() {
			jQuery.timer.add(this, interval, label, fn, 1);
		});
	},
	stopTime: function(label, fn) {
		return this.each(function() {
			jQuery.timer.remove(this, label, fn);
		});
	}
});

jQuery.extend({
	timer: {
		guid: 1,
		global: {},
		regex: /^([0-9]+)\s*(.*s)?$/,
		powers: {
			// Yeah this is major overkill...
			'ms': 1,
			'cs': 10,
			'ds': 100,
			's': 1000,
			'das': 10000,
			'hs': 100000,
			'ks': 1000000
		},
		timeParse: function(value) {
			if (value == undefined || value == null)
				return null;
			var result = this.regex.exec(jQuery.trim(value.toString()));
			if (result[2]) {
				var num = parseInt(result[1], 10);
				var mult = this.powers[result[2]] || 1;
				return num * mult;
			} else {
				return value;
			}
		},
		add: function(element, interval, label, fn, times, belay) {
			var counter = 0;
			
			if (jQuery.isFunction(label)) {
				if (!times) 
					times = fn;
				fn = label;
				label = interval;
			}
			
			interval = jQuery.timer.timeParse(interval);

			if (typeof interval != 'number' || isNaN(interval) || interval <= 0)
				return;

			if (times && times.constructor != Number) {
				belay = !!times;
				times = 0;
			}
			
			times = times || 0;
			belay = belay || false;
			
			if (!element.$timers) 
				element.$timers = {};
			
			if (!element.$timers[label])
				element.$timers[label] = {};
			
			fn.$timerID = fn.$timerID || this.guid++;
			
			var handler = function() {
				if (belay && this.inProgress) 
					return;
				this.inProgress = true;
				if ((++counter > times && times !== 0) || fn.call(element, counter) === false)
					jQuery.timer.remove(element, label, fn);
				this.inProgress = false;
			};
			
			handler.$timerID = fn.$timerID;
			
			if (!element.$timers[label][fn.$timerID]) 
				element.$timers[label][fn.$timerID] = window.setInterval(handler,interval);
			
			if ( !this.global[label] )
				this.global[label] = [];
			this.global[label].push( element );
			
		},
		remove: function(element, label, fn) {
			var timers = element.$timers, ret;
			
			if ( timers ) {
				
				if (!label) {
					for ( label in timers )
						this.remove(element, label, fn);
				} else if ( timers[label] ) {
					if ( fn ) {
						if ( fn.$timerID ) {
							window.clearInterval(timers[label][fn.$timerID]);
							delete timers[label][fn.$timerID];
						}
					} else {
						for ( var fn in timers[label] ) {
							window.clearInterval(timers[label][fn]);
							delete timers[label][fn];
						}
					}
					
					for ( ret in timers[label] ) break;
					if ( !ret ) {
						ret = null;
						delete timers[label];
					}
				}
				
				for ( ret in timers ) break;
				if ( !ret ) 
					element.$timers = null;
			}
		}
	}
});

if (jQuery.browser.msie)
	jQuery(window).one("unload", function() {
		var global = jQuery.timer.global;
		for ( var label in global ) {
			var els = global[label], i = els.length;
			while ( --i )
				jQuery.timer.remove(els[i], label);
		}
	});